Re: [PATCH RFC 1/3] mmc: sdhci: add support for using external DMA devices

2018-11-07 Thread Adrian Hunter
On 5/11/18 5:16 AM, Chunyan Zhang wrote: > Some standard SD host controller can support both external dma > controllers as well as ADMA in which the controller acts as > DMA master. > > Currently the generic SDHCI code supports ADMA/SDMA integrated into > the host controller but does not have any

Re: [PATCH RFC 1/3] mmc: sdhci: add support for using external DMA devices

2018-11-06 Thread Chunyan Zhang
On Tue, 6 Nov 2018 at 19:16, Arnd Bergmann wrote: > > On 11/5/18, Chunyan Zhang wrote: > > Some standard SD host controller can support both external dma > > controllers as well as ADMA in which the controller acts as > > DMA master. > > > > Currently the generic SDHCI code supports ADMA/SDMA int

Re: [PATCH RFC 1/3] mmc: sdhci: add support for using external DMA devices

2018-11-06 Thread Arnd Bergmann
On 11/5/18, Chunyan Zhang wrote: > Some standard SD host controller can support both external dma > controllers as well as ADMA in which the controller acts as > DMA master. > > Currently the generic SDHCI code supports ADMA/SDMA integrated into > the host controller but does not have any support